# SDR UPS08651966

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2008
- Submitted: April 4, 2008
- Operation: Air carrier
- Aircraft: [N328UP](https://openairdocs.org/aircraft/N328UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27754
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Regulator
- Part number: 80316311
- Part serial: 4558
- Condition: Leaking
- Location: Crew O2
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS08651966

## Discrepancy

UPON BLOCKING IN, CREW O2 ON EICAS READS 250PSI AND FALLING.  FOUND UPPER O2 REGULATOR LEAKING.  REPLACED BOTH O2 REGULATORS AS PRECAUTIONARY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.